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Give reason for the following : (i) Why are copper and aluminium wires used as connecting wires ? (ii) Why is tungsten used for filaments of electric lamps ? (iii) Why is lead-tin alloy used for fuse wires ? |
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Answer» Give reason for the following : (i) Why are copper and aluminium wires used as connecting wires ? (ii) Why is tungsten used for filaments of electric lamps ? (iii) Why is lead-tin alloy used for fuse wires ? |
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